DONOVAN
®
HELP LINE: 1-800-327-8287
P/N 1809453 Rev. A
7
Hinge Installation/Lid Extension Assembly
NOTE:
For trailers with center support above top rail, offset
center hinge to either side of support.
STEP 2:
Locate front, center and rear hinge positions. Weld
hinges in place to steel trailer. Use caution to protect chrome
cylinder rod from weld splatter. Skip Steps 3-5 if hinges are
welded.
STEP 3:
Locate front, center and rear hinge positions. Mark
hinge hole positions.
STEP 4:
Remove hinges and drill 17/32" (13.5mm) holes in
marked locations on side of top rail. Drill and tap marked loca
-
tions on top of top rail for 1/2" bolts .
STEP 5:
Reposition hinges and mount using 1/2" Grade 5 bolts
or better
(bolts not supplied)
.
STEP 1:
Lid hinges may be mounted either by welding or by
bolts. If welding, move to Step 2. If bolting,skip to Step 3.
STEP 1:
Starting with front lid, noted by having a C-channel and
additional gussets, measure outside-to-outside width at front of
trailer at top rail. Slide extension tube into front lid matching this
measurement then weld in place.
APPROX. CENTER
LINE OF TRAILER
WIDTH AT FRONT
OF TRAILER
APPROX. CENTER
LINE OF TRAILER
8" (20.3 CM)
8" (20.3 CM)
8.75" (22.2 CM)
8.75" (22.2 CM)
HINGE INSTALLATION
LID EXTENSION ASSEMBLY
NOTE:
Orientation of angle will be pointing toward ground
when lid is mounted to trailer.
STEP 2:
Repeat process measuring outside-to-outside width at
center and rear of trailer. Adjust extension tubes for center and
rear lids respectively.
NOTE:
Center lid extension will not have a cable attached,
but will get two turn-buckles at a later step. The rear lid has
no C-channel or additional gussets as compared to front lid.
ANGLE POINTS DOWN
WELD FOUR SIDES
